Imms, A.D. (1905)
On the oral and pharyngeal denticles of elasmobranch fishes. Proceedings of the Zoological Society of London, 1905(1), 41–49
Gudger, E.W. (1937)
Abnormal Dentition in Sharks, Selachii. Bulletin of the American Museum of Natural History, 73, 249–280